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<h1 class="topictitle1">Managing HDFS Clusters</h1>
<div><p>This section describes how to modify or delete HDFS clusters registered with the <span>OceanProtect</span>.</p>
<div class="section"><h4 class="sectiontitle">Related Operations</h4><p>Log in to the management page, choose <span class="uicontrol"><b><span id="EN-US_TOPIC_0000001792397300__en-us_topic_0000001839142377_text1125113213390"><strong>Protection</strong></span> &gt; Big Data &gt; HDFS</b></span>, click the <span class="uicontrol"><b><span><strong>Cluster</strong></span></b></span> tab, and locate the desired cluster.</p>
<p><a href="#EN-US_TOPIC_0000001792397300__table24934294919">Table 1</a> describes the related operations.</p>
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<div class="tablenoborder"><a name="EN-US_TOPIC_0000001792397300__table24934294919"></a><a name="table24934294919"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001792397300__table24934294919" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Cluster-related operations</caption><colgroup><col style="width:25%"><col style="width:50%"><col style="width:25%"></colgroup><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.3.2.4.1.1"><p>Operation</p>
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<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.4.1.2"><p>Description</p>
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<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.3.2.4.1.3"><p>Navigation Path</p>
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<tbody><tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.3.2.4.1.1 "><p>Modifying cluster information</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p>
<p>This operation enables you to change the authentication mode, name, and configuration file of an HDFS cluster.</p>
</td>
<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.3.2.4.1.3 "><p>In the row where the cluster resides, choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Modify</strong></span></b></span>.</p>
<p>For details about HDFS cluster parameters, see <a href="en-us_topic_0000001792557040.html">Step 3: Registering an HDFS Cluster</a>.</p>
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<tr><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.3.2.4.1.1 "><p>Deleting a cluster</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.4.1.2 "><p><strong>Scenario</strong></p>
<p>This operation enables you to delete an HDFS cluster if you no longer need to protect files in it or restore data to it.</p>
<p><strong>Note</strong></p>
<ul><li>A cluster cannot be deleted if a backup or restoration job is being executed.</li><li>A cluster cannot be deleted if its filesets have been associated with an SLA.</li><li>Deletion of a cluster will delete all its filesets.</li></ul>
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<td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.3.2.4.1.3 "><p>In the row where the cluster resides, choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Delete</strong></span></b></span>.</p>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0000001839276397.html">HDFS Cluster Environment</a></div>
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